CORROSION-RESISTANT SYSTEM, CARBON-FREE POWER GENERATION AND FUEL CELL SYSTEM COMPRISING SAID CORROSION-RESISTANT SYSTEM, AND AMMONIA DECOMPOSITION METHOD

Publication EP4711327A1 Kind: A1 Mar 18, 2026

Applicants

SK Innovation Co., Ltd.

Inventors

SUNG, Jong Baek, CHOI, Won Seok, PARK, Hyun Joon, CHOI, Jae Suk, LEE, Ji Yun, IM, Ju Hwan

Abstract

A corrosion-resistant system, a carbon-free power generation and fuel cell system comprising the corrosion-resistant system, and a method for ammonia decomposition utilizing said corrosion-resistant system are provided. The corrosion-resistant system includes: an ammonia supply unit; a first pipe connected to the ammonia supply unit; an ammonia decomposition unit comprising a chamber connected to the first pipe; and a second pipe connected to the chamber, wherein the chamber is configured to operate at an operating temperature of 410°C or lower, the first pipe and the chamber comprise at least one selected from the group consisting of carbon steel, low alloy steel, stainless steel and a nickel-based alloy, and the second pipe comprises a nickel-based alloy (NT) satisfying Equation 1 below. T≤15μm

IPC Classifications

C01B 3/047 20260101AFI20260204BHEP C22C 19/03 20060101ALI20260204BHEP C22C 38/00 20060101ALI20260204BHEP C22C 38/40 20060101ALI20260204BHEP F02B 43/00 20060101ALI20260204BHEP F02M 21/02 20060101ALI20260204BHEP B01J 19/02 20060101ALI20260204BHEP H01M 8/0606 20160101ALI20260204BHEP H01M 8/22 20060101ALI20260204BHEP F02C 3/22 20060101ALI20260204BHEP F02C 6/18 20060101ALI20260204BHEP

Designated States

AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, ME, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR

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